Defined in 5 files as a macro:
- contrib/diff/config.h, line 211 (as a macro)
- contrib/diff/lib/strftime.c, line 26 (as a macro)
- gnu/lib/libdialog/dlg_config.h, line 50 (as a macro)
- gnu/lib/libreadline/config.h, line 65 (as a macro)
- lib/ncurses/ncurses/ncurses_cfg.h, line 200 (as a macro)